Finding the Fourth Proportional to 98,237.63, 135,567.93 and 53,525.63
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Solution
The fourth proportional to 98,237.63, 135,567.93 and 53,525.63 is: 73,865.37
Step by Step Solution
- Step 1: Write the proportion equation
98,237.63 : 135,567.93 = 53,525.63 : x - Step 2: Convert to fraction form
98,237.63/135,567.93 = 53,525.63/x - Step 3: Cross multiply
98,237.63x = 135,567.93 × 53,525.63 - Step 4: Simplify right side
98,237.63x = 7,256,358,183.21 - Step 5: Solve for x
x = 7,256,358,183.21/98,237.63 - Step 6: Final answer
x = 73,865.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.